LG GD510 - Page 88

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5. Trouble shooting
GD510 Operational Description Revision A
LG Electronics 94/113 LGE Property
5.13.5. Checking PAM Control Signals
Checking Points
Figure 25. Transceiver Output
Table 4. PAM Mode Operation
opnoGjGhGG GopnoG_wzrG
opnoGyGiGjGsv~GntzrG
{vuwhGwhsl}lsGtvklGtvklG
Figure 24. PAM Control Signals
TP1
(
PA LEVEL
)
TP2
(
TXON PA
)
TP3(PA_MODE)
TP3
(
PA MODE
)
TP2
(
TXON PA
)
TP1
(
PA LEVEL
)
7
6
5
4
3
2
1
DCS_PCS_IN
MODE_SELECT
BS
VBATT
VRAMP
TX_EN
GSM850_900_IN
100p
C633
39p
C630
C601
33u
4.7n
C637
27p
C621
R606
1
DNI
C626C631
1u
VBAT
C638
39p
C639
47p
10KR607
100pC640
R609 1
39p
C646C647
DNI
PA_LEVEL
PA_MODE
PA_BAND
TXON_PA
LBAND_PAM_IN
HBAND_PAM_IN
TP2(TXON PA) TP1(PA LEVEL)
TP3(PA MODE)